ZWO 2" H-Alpha 7nm Narrowband Filter - Ha7nmD2 2" Newtonian Erect Image Threads onto the rear cell

Threads onto the rear cell of the telescope

3 pounds (2

faster focal ratio

The Sony IMX571 features an APS-C format and 26MP total pixels

A modern Barlow will not degrade your telescope''s optics

ZWO 2" H-Alpha 7nm Narrowband Filter - Ha7nmD2 2" Newtonian Erect Image Threads onto the rear cellThe ZWO H Alpha filter has a bandpass of 7nm and passes light at the 656nm wavelength, with a light transmission rate of up to 80%. This is the best choice for a narrowband H alpha astrophotography filter if you are doing high contrast imaging and want to reveal rich details of the nebula even in areas with strong light pollution. This rendition of the ZWO Ha 7nm Filter is housed in a 2" threaded metal cell and can be used in 2" filter wheels or the